General
What is the 80/20 rule for EV charging?
The 80/20 idea usually means most daily driving can be covered by routine home charging, with occasional public charging for longer trips.
It is a planning rule of thumb, not a hard electrical code requirement.
Why homeowners use it
Home Level 2 charging handles most nights. Public DC fast charging covers road trips.
Your real mix depends on commute distance and whether you can charge where you park.
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